AAct_x64[.]exe

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General

Target

AAct_x64.exe
Size

1.6MB
MD5

f99463038ff6e4ef0a9c248593979539
SHA1

7c1fab62a5d8a84f63f1131687c22250248c8175
SHA256

3f0419755b016f069a28397948ba5b79c47d078186578f79ed791d01a96a62dd
SHA512

d9c493e6496e153f86af5ae9fd4b9e6e51d8be3dac6345c93affc7febdf3dbf915a59c3a31970c2880ce6eebd17cb51718c242909ad81b38f4e9bda23374f76e
SSDEEP

49152:pEszkUqUZezsjSW7KRPTrnceIu3rGcyQjI9sv:pPBqUZ9GWKRPHnIubGcbjcsv

Score

7^/10

upx

Malware Config

Signatures

UPX packed file 1 IoCs

Detects executables packed with UPX/modified UPX open source packer.

upx

resource	yara_rule
sample	upx

Unsigned PE 1 IoCs

Checks for missing Authenticode signature.

resource
unpack001/out.upx

Files

AAct_x64.exe
.exe windows x64

Code Sign

75:3e:5c:ef:ec:b6:3d:75:b2:cc:6b:83:03:2f:89:9e
Certificate

Issuer

CN=WZTeam

Not Before

02/11/2016, 18:47

Not After

31/12/2039, 23:59

Subject

CN=WZTeam

Extended Key Usages

ExtKeyUsageCodeSigning

30:0f:6f:ac:dd:66:98:74:7c:a9:46:36:a7:78:2d:b9
Certificate

Issuer

CN=USERTrust RSA Certification Authority,O=The USERTRUST Network,L=Jersey City,ST=New Jersey,C=US

Not Before

02/05/2019, 00:00

Not After

18/01/2038, 23:59

Subject

CN=Sectigo RSA Time Stamping CA,O=Sectigo Limited,L=Salford,ST=Greater Manchester,C=GB

Extended Key Usages

ExtKeyUsageTimeStamping

Key Usages

KeyUsageDigitalSignature
KeyUsageCertSign
KeyUsageCRLSign

90:39:7f:9a:d2:4a:3a:13:f2:bd:91:5f:08:38:a9:43
Certificate

Issuer

CN=Sectigo RSA Time Stamping CA,O=Sectigo Limited,L=Salford,ST=Greater Manchester,C=GB

Not Before

11/05/2022, 00:00

Not After

10/08/2033, 23:59

Subject

CN=Sectigo RSA Time Stamping Signer #3,O=Sectigo Limited,ST=Manchester,C=GB

Extended Key Usages

ExtKeyUsageTimeStamping

Key Usages

KeyUsageDigitalSignature
KeyUsageContentCommitment

75:3e:5c:ef:ec:b6:3d:75:b2:cc:6b:83:03:2f:89:9e
Certificate

Issuer

CN=WZTeam

Not Before

02/11/2016, 18:47

Not After

31/12/2039, 23:59

Subject

CN=WZTeam

Extended Key Usages

ExtKeyUsageCodeSigning

90:39:7f:9a:d2:4a:3a:13:f2:bd:91:5f:08:38:a9:43
Certificate

Issuer

CN=Sectigo RSA Time Stamping CA,O=Sectigo Limited,L=Salford,ST=Greater Manchester,C=GB

Not Before

11/05/2022, 00:00

Not After

10/08/2033, 23:59

Subject

CN=Sectigo RSA Time Stamping Signer #3,O=Sectigo Limited,ST=Manchester,C=GB

Extended Key Usages

ExtKeyUsageTimeStamping

Key Usages

KeyUsageDigitalSignature
KeyUsageContentCommitment

30:0f:6f:ac:dd:66:98:74:7c:a9:46:36:a7:78:2d:b9
Certificate

Issuer

CN=USERTrust RSA Certification Authority,O=The USERTRUST Network,L=Jersey City,ST=New Jersey,C=US

Not Before

02/05/2019, 00:00

Not After

18/01/2038, 23:59

Subject

CN=Sectigo RSA Time Stamping CA,O=Sectigo Limited,L=Salford,ST=Greater Manchester,C=GB

Extended Key Usages

ExtKeyUsageTimeStamping

Key Usages

KeyUsageDigitalSignature
KeyUsageCertSign
KeyUsageCRLSign

fa:6a:54:96:a6:3b:dc:dd:94:a6:a1:ec:65:cf:62:5a:bc:01:e2:6b:aa:a6:f0:c7:b5:6b:d5:6b:cb:dc:f1:2a
Signer

Actual PE Digest

fa:6a:54:96:a6:3b:dc:dd:94:a6:a1:ec:65:cf:62:5a:bc:01:e2:6b:aa:a6:f0:c7:b5:6b:d5:6b:cb:dc:f1:2a

Digest Algorithm

sha256

PE Digest Matches

true

Signature Validations

Trusted

false

Verification

Signing Certificate

CN=WZTeam

16/05/2023, 12:24
Valid: false

1e:85:dc:1c:8b:b5:e8:e4:4c:2d:78:f1:05:d8:bc:b3:ba:9a:7b:47
Signer

Actual PE Digest

1e:85:dc:1c:8b:b5:e8:e4:4c:2d:78:f1:05:d8:bc:b3:ba:9a:7b:47

Digest Algorithm

sha1

PE Digest Matches

true

Signature Validations

Trusted

false

Verification

Signing Certificate

CN=WZTeam

16/05/2023, 12:24
Valid: false

Headers

File Characteristics

IMAGE_FILE_RELOCS_STRIPPED
IMAGE_FILE_EXECUTABLE_IMAGE
IMAGE_FILE_LINE_NUMS_STRIPPED
IMAGE_FILE_LOCAL_SYMS_STRIPPED
IMAGE_FILE_LARGE_ADDRESS_AWARE

Sections

UPX0
Size: - Virtual size: 1.5MB

IMAGE_SCN_CNT_UNINITIALIZED_DATA
IMAGE_SCN_MEM_EXECUTE
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE

UPX1
Size: 1.5MB - Virtual size: 1.5MB

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_EXECUTE
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE

.rsrc
Size: 69KB - Virtual size: 72KB

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE
out.upx
.exe windows x64

Headers

File Characteristics

IMAGE_FILE_RELOCS_STRIPPED
IMAGE_FILE_EXECUTABLE_IMAGE
IMAGE_FILE_LINE_NUMS_STRIPPED
IMAGE_FILE_LOCAL_SYMS_STRIPPED
IMAGE_FILE_LARGE_ADDRESS_AWARE

Sections

.text
Size: 632KB - Virtual size: 631KB

IMAGE_SCN_CNT_CODE
IMAGE_SCN_MEM_EXECUTE
IMAGE_SCN_MEM_READ

.rdata
Size: 138KB - Virtual size: 137KB

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ

.pdata
Size: 19KB - Virtual size: 18KB

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ

.data
Size: 2.1MB - Virtual size: 2.1MB

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE

.drectve
Size: 512B - Virtual size: 32B

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE

.rsrc
Size: 68KB - Virtual size: 67KB

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ

Sharing

General

Malware Config

Signatures

Files

Code Sign

75:3e:5c:ef:ec:b6:3d:75:b2:cc:6b:83:03:2f:89:9eCertificate

Extended Key Usages

30:0f:6f:ac:dd:66:98:74:7c:a9:46:36:a7:78:2d:b9Certificate

Extended Key Usages

Key Usages

90:39:7f:9a:d2:4a:3a:13:f2:bd:91:5f:08:38:a9:43Certificate

Extended Key Usages

Key Usages

75:3e:5c:ef:ec:b6:3d:75:b2:cc:6b:83:03:2f:89:9eCertificate

Extended Key Usages

90:39:7f:9a:d2:4a:3a:13:f2:bd:91:5f:08:38:a9:43Certificate

Extended Key Usages

Key Usages

30:0f:6f:ac:dd:66:98:74:7c:a9:46:36:a7:78:2d:b9Certificate

Extended Key Usages

Key Usages

fa:6a:54:96:a6:3b:dc:dd:94:a6:a1:ec:65:cf:62:5a:bc:01:e2:6b:aa:a6:f0:c7:b5:6b:d5:6b:cb:dc:f1:2aSigner

Signature Validations

Verification

16/05/2023, 12:24 Valid: false

1e:85:dc:1c:8b:b5:e8:e4:4c:2d:78:f1:05:d8:bc:b3:ba:9a:7b:47Signer

Signature Validations

Verification

16/05/2023, 12:24 Valid: false

Headers

File Characteristics

Sections

UPX0 Size: - Virtual size: 1.5MB

UPX1 Size: 1.5MB - Virtual size: 1.5MB

.rsrc Size: 69KB - Virtual size: 72KB

Headers

File Characteristics

Sections

.text Size: 632KB - Virtual size: 631KB

.rdata Size: 138KB - Virtual size: 137KB

.pdata Size: 19KB - Virtual size: 18KB

.data Size: 2.1MB - Virtual size: 2.1MB

.drectve Size: 512B - Virtual size: 32B

.rsrc Size: 68KB - Virtual size: 67KB

75:3e:5c:ef:ec:b6:3d:75:b2:cc:6b:83:03:2f:89:9e
Certificate

30:0f:6f:ac:dd:66:98:74:7c:a9:46:36:a7:78:2d:b9
Certificate

90:39:7f:9a:d2:4a:3a:13:f2:bd:91:5f:08:38:a9:43
Certificate

75:3e:5c:ef:ec:b6:3d:75:b2:cc:6b:83:03:2f:89:9e
Certificate

90:39:7f:9a:d2:4a:3a:13:f2:bd:91:5f:08:38:a9:43
Certificate

30:0f:6f:ac:dd:66:98:74:7c:a9:46:36:a7:78:2d:b9
Certificate

fa:6a:54:96:a6:3b:dc:dd:94:a6:a1:ec:65:cf:62:5a:bc:01:e2:6b:aa:a6:f0:c7:b5:6b:d5:6b:cb:dc:f1:2a
Signer

16/05/2023, 12:24
Valid: false

1e:85:dc:1c:8b:b5:e8:e4:4c:2d:78:f1:05:d8:bc:b3:ba:9a:7b:47
Signer

16/05/2023, 12:24
Valid: false

UPX0
Size: - Virtual size: 1.5MB

UPX1
Size: 1.5MB - Virtual size: 1.5MB

.rsrc
Size: 69KB - Virtual size: 72KB

.text
Size: 632KB - Virtual size: 631KB

.rdata
Size: 138KB - Virtual size: 137KB

.pdata
Size: 19KB - Virtual size: 18KB

.data
Size: 2.1MB - Virtual size: 2.1MB

.drectve
Size: 512B - Virtual size: 32B

.rsrc
Size: 68KB - Virtual size: 67KB